This Sat-urday item (what I’m calling satellite and other green/off-grid tech news) is from Cory Doctorow’s Boing Boing post about LightLane, a concept device that paints bike lanes using portable lasers from the bicycle.

“While ridership is increasing every year, bicycle safety remains a huge issue: in 2007, 43,000 people were injured in bike accidents, resulting in 698 deaths. Though many cities are getting serious about making bike-friendly infrastructure changes, installing bike lanes is a costly porposition with a glacial pace of implementation.”